.right_con{
    flex: 1;
    display: flex;
    position: relative;
    justify-content: end;
    margin-top: 72px;
}
.cont {
    height: 100%;
}
.btn {
    position: absolute;
    z-index: 99999999;
    top: 4px;
    right: 4px;
    cursor: pointer;
}
.open {
    position: absolute;
    top: 40%;
    width: 50px;
    height: 50px;
    text-align: center;
    line-height: 50px;
    border-radius: 50%;
    z-index: 99999999;
    right: 0px;
    cursor: pointer;
    background-color: #ffffff;
    transform: translate(-50%);
}